1 files changed, 144 insertions, 62 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index a662adcb2ad..099c2795ec0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -97,7 +97,7 @@ void iwl_update_chain_flags(struct iwl_priv *priv)
 		for_each_context(priv, ctx) {
 			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
 			if (ctx->active.rx_chain != ctx->staging.rx_chain)
-				iwlcore_commit_rxon(priv, ctx);
+				iwlagn_commit_rxon(priv, ctx);
 		}
 	}
 }
@@ -274,7 +274,7 @@ static void iwl_bg_bt_full_concurrency(struct work_struct *work)
 	for_each_context(priv, ctx) {
 		if (priv->cfg->ops->hcmd->set_rxon_chain)
 			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
-		iwlcore_commit_rxon(priv, ctx);
+		iwlagn_commit_rxon(priv, ctx);
 	}
 
 	priv->cfg->ops->hcmd->send_bt_config(priv);
@@ -2056,7 +2056,7 @@ int iwl_alive_start(struct iwl_priv *priv)
 	set_bit(STATUS_READY, &priv->status);
 
 	/* Configure the adapter for unassociated operation */
-	ret = iwlcore_commit_rxon(priv, ctx);
+	ret = iwlagn_commit_rxon(priv, ctx);
 	if (ret)
 		return ret;
 
@@ -2420,6 +2420,77 @@ unlock:
  *
  *****************************************************************************/
 
+static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = {
+	{
+		.max = 1,
+		.types = BIT(NL80211_IFTYPE_STATION),
+	},
+	{
+		.max = 1,
+		.types = BIT(NL80211_IFTYPE_AP),
+	},
+};
+
+static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = {
+	{
+		.max = 2,
+		.types = BIT(NL80211_IFTYPE_STATION),
+	},
+};
+
+static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = {
+	{
+		.max = 1,
+		.types = BIT(NL80211_IFTYPE_STATION),
+	},
+	{
+		.max = 1,
+		.types = BIT(NL80211_IFTYPE_P2P_GO) |
+			 BIT(NL80211_IFTYPE_AP),
+	},
+};
+
+static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = {
+	{
+		.max = 2,
+		.types = BIT(NL80211_IFTYPE_STATION),
+	},
+	{
+		.max = 1,
+		.types = BIT(NL80211_IFTYPE_P2P_CLIENT),
+	},
+};
+
+static const struct ieee80211_iface_combination
+iwlagn_iface_combinations_dualmode[] = {
+	{ .num_different_channels = 1,
+	  .max_interfaces = 2,
+	  .beacon_int_infra_match = true,
+	  .limits = iwlagn_sta_ap_limits,
+	  .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits),
+	},
+	{ .num_different_channels = 1,
+	  .max_interfaces = 2,
+	  .limits = iwlagn_2sta_limits,
+	  .n_limits = ARRAY_SIZE(iwlagn_2sta_limits),
+	},
+};
+
+static const struct ieee80211_iface_combination
+iwlagn_iface_combinations_p2p[] = {
+	{ .num_different_channels = 1,
+	  .max_interfaces = 2,
+	  .beacon_int_infra_match = true,
+	  .limits = iwlagn_p2p_sta_go_limits,
+	  .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits),
+	},
+	{ .num_different_channels = 1,
+	  .max_interfaces = 2,
+	  .limits = iwlagn_p2p_2sta_limits,
+	  .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits),
+	},
+};
+
 /*
  * Not a mac80211 entry point function, but it fits in with all the
  * other mac80211 functions grouped here.
@@ -2460,6 +2531,18 @@ static int iwl_mac_setup_register(struct iwl_priv *priv,
 		hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
 	}
 
+	BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
+
+	if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) {
+		hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p;
+		hw->wiphy->n_iface_combinations =
+			ARRAY_SIZE(iwlagn_iface_combinations_p2p);
+	} else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {
+		hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode;
+		hw->wiphy->n_iface_combinations =
+			ARRAY_SIZE(iwlagn_iface_combinations_dualmode);
+	}
+
 	hw->wiphy->max_remain_on_channel_duration = 1000;
 
 	hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
@@ -2711,12 +2794,9 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 			ret = 0;
 		if (priv->cfg->ht_params &&
 		    priv->cfg->ht_params->use_rts_for_aggregation) {
-			struct iwl_station_priv *sta_priv =
-				(void *) sta->drv_priv;
 			/*
 			 * switch off RTS/CTS if it was previously enabled
 			 */
-
 			sta_priv->lq_sta.lq.general_params.flags &=
 				~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
 			iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
@@ -2764,6 +2844,9 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 
 		iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
 				&sta_priv->lq_sta.lq, CMD_ASYNC, false);
+
+		IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n",
+			 sta->addr, tid);
 		ret = 0;
 		break;
 	}
@@ -2833,7 +2916,6 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
 	 */
 	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	u16 ch;
-	unsigned long flags = 0;
 
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 
@@ -2843,73 +2925,73 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
 		goto out;
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
-	    test_bit(STATUS_SCANNING, &priv->status))
+	    test_bit(STATUS_SCANNING, &priv->status) ||
+	    test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
 		goto out;
 
 	if (!iwl_is_associated_ctx(ctx))
 		goto out;
 
-	/* channel switch in progress */
-	if (priv->switch_rxon.switch_in_progress == true)
+	if (!priv->cfg->ops->lib->set_channel_switch)
 		goto out;
 
-	if (priv->cfg->ops->lib->set_channel_switch) {
+	ch = channel->hw_value;
+	if (le16_to_cpu(ctx->active.channel) == ch)
+		goto out;
 
-		ch = channel->hw_value;
-		if (le16_to_cpu(ctx->active.channel) != ch) {
-			ch_info = iwl_get_channel_info(priv,
-						       channel->band,
-						       ch);
-			if (!is_channel_valid(ch_info)) {
-				IWL_DEBUG_MAC80211(priv, "invalid channel\n");
-				goto out;
-			}
-			spin_lock_irqsave(&priv->lock, flags);
-
-			priv->current_ht_config.smps = conf->smps_mode;
-
-			/* Configure HT40 channels */
-			ctx->ht.enabled = conf_is_ht(conf);
-			if (ctx->ht.enabled) {
-				if (conf_is_ht40_minus(conf)) {
-					ctx->ht.extension_chan_offset =
-						IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-					ctx->ht.is_40mhz = true;
-				} else if (conf_is_ht40_plus(conf)) {
-					ctx->ht.extension_chan_offset =
-						IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-					ctx->ht.is_40mhz = true;
-				} else {
-					ctx->ht.extension_chan_offset =
-						IEEE80211_HT_PARAM_CHA_SEC_NONE;
-					ctx->ht.is_40mhz = false;
-				}
-			} else
-				ctx->ht.is_40mhz = false;
+	ch_info = iwl_get_channel_info(priv, channel->band, ch);
+	if (!is_channel_valid(ch_info)) {
+		IWL_DEBUG_MAC80211(priv, "invalid channel\n");
+		goto out;
+	}
 
-			if ((le16_to_cpu(ctx->staging.channel) != ch))
-				ctx->staging.flags = 0;
+	spin_lock_irq(&priv->lock);
 
-			iwl_set_rxon_channel(priv, channel, ctx);
-			iwl_set_rxon_ht(priv, ht_conf);
-			iwl_set_flags_for_band(priv, ctx, channel->band,
-					       ctx->vif);
-			spin_unlock_irqrestore(&priv->lock, flags);
+	priv->current_ht_config.smps = conf->smps_mode;
 
-			iwl_set_rate(priv);
-			/*
-			 * at this point, staging_rxon has the
-			 * configuration for channel switch
-			 */
-			if (priv->cfg->ops->lib->set_channel_switch(priv,
-								    ch_switch))
-				priv->switch_rxon.switch_in_progress = false;
+	/* Configure HT40 channels */
+	ctx->ht.enabled = conf_is_ht(conf);
+	if (ctx->ht.enabled) {
+		if (conf_is_ht40_minus(conf)) {
+			ctx->ht.extension_chan_offset =
+				IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+			ctx->ht.is_40mhz = true;
+		} else if (conf_is_ht40_plus(conf)) {
+			ctx->ht.extension_chan_offset =
+				IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+			ctx->ht.is_40mhz = true;
+		} else {
+			ctx->ht.extension_chan_offset =
+				IEEE80211_HT_PARAM_CHA_SEC_NONE;
+			ctx->ht.is_40mhz = false;
 		}
+	} else
+		ctx->ht.is_40mhz = false;
+
+	if ((le16_to_cpu(ctx->staging.channel) != ch))
+		ctx->staging.flags = 0;
+
+	iwl_set_rxon_channel(priv, channel, ctx);
+	iwl_set_rxon_ht(priv, ht_conf);
+	iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif);
+
+	spin_unlock_irq(&priv->lock);
+
+	iwl_set_rate(priv);
+	/*
+	 * at this point, staging_rxon has the
+	 * configuration for channel switch
+	 */
+	set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status);
+	priv->switch_channel = cpu_to_le16(ch);
+	if (priv->cfg->ops->lib->set_channel_switch(priv, ch_switch)) {
+		clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status);
+		priv->switch_channel = 0;
+		ieee80211_chswitch_done(ctx->vif, false);
 	}
+
 out:
 	mutex_unlock(&priv->mutex);
-	if (!priv->switch_rxon.switch_in_progress)
-		ieee80211_chswitch_done(ctx->vif, false);
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 }
 
@@ -3018,7 +3100,7 @@ static void iwlagn_disable_roc(struct iwl_priv *priv)
 
 	priv->_agn.hw_roc_channel = NULL;
 
-	iwlcore_commit_rxon(priv, ctx);
+	iwlagn_commit_rxon(priv, ctx);
 
 	ctx->is_active = false;
 }
@@ -3061,7 +3143,7 @@ static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw,
 	priv->_agn.hw_roc_channel = channel;
 	priv->_agn.hw_roc_chantype = channel_type;
 	priv->_agn.hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024);
-	iwlcore_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]);
+	iwlagn_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]);
 	queue_delayed_work(priv->workqueue, &priv->_agn.hw_roc_work,
 			   msecs_to_jiffies(duration + 20));
 
@@ -3618,8 +3700,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	destroy_workqueue(priv->workqueue);
 	priv->workqueue = NULL;
 	free_irq(priv->pci_dev->irq, priv);
-	iwl_free_isr_ict(priv);
  out_disable_msi:
+	iwl_free_isr_ict(priv);
 	pci_disable_msi(priv->pci_dev);
 	iwl_uninit_drv(priv);
  out_free_eeprom: